Re: resetting a usb com port?

Greg Troxel <[email protected]> Tue, 04 Aug 2026 07:39:18 -0400
Newsgroups gmane.os.netbsd.general
Message-ID <[email protected]>
[email protected] (MLH) writes:

>> Did you try plugging the cable into a different port?
>
> No response when I tried to plug it into another usb port, however, plugging
> a hub in worked:
>
> [ 730330.9162374] uhub4 at uhub1 port 10: GenesysLogic (0x05e3) USB2.1 Hub (0x0610), class 9/0, rev 2.10/6.56, addr 7
> [ 730330.9162374] uhub4: single transaction translator
> [ 730331.6662392] uhub5 at uhub4 port 4: GenesysLogic (0x05e3) USB2.1 Hub (0x0610), class 9/0, rev 2.10/6.56, addr 8
> [ 730331.6662392] uhub5: single transaction translator
> [ 730472.0466106] uchcom0 at uhub4 port 1
> [ 730472.0466106] uchcom0: QinHeng Electronics (0x1a86) USB Serial (0x7523), rev 1.10/2.64, addr 10

That's port 10, not port 9.  Did you try to plug the hub into the same
port?  Or was it really the same port?